Home / 20,214.70-27,895.46-11,261.97

Finding the Fourth Proportional to 20,214.70, 27,895.46 and 11,261.97

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Solution

The fourth proportional to 20,214.70, 27,895.46 and 11,261.97 is: 15,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.70 : 27,895.46 = 11,261.97 : x
  2. Step 2: Convert to fraction form
    20,214.70/27,895.46 = 11,261.97/x
  3. Step 3: Cross multiply
    20,214.70x = 27,895.46 × 11,261.97
  4. Step 4: Simplify right side
    20,214.70x = 314,157,777.35
  5. Step 5: Solve for x
    x = 314,157,777.35/20,214.70
  6. Step 6: Final answer
    x = 15,541.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.